Journal
JOURNAL OF BIOCHEMICAL AND MOLECULAR TOXICOLOGY
Volume 31, Issue 8, Pages -Publisher
WILEY
DOI: 10.1002/jbt.21914
Keywords
cell proliferation; Fas-associated factor 1; invasion; migration; non-small cell lung carcinomas; sanguinarine
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Lung cancer is the most common type of malignancy and one of the leading causes of cancer-related deaths in the world. Non-small cell lung carcinomas (NSCLC) account for 85% cases of lung cancer. Sanguinarine (SNG) is a benzophenanthridine alkaloid isolated from plants of the Papaveraceae family that possess diverse biological activities. SNG exhibits antitumor effects in several cancer cells. However, the effects of SAN on NSCLC proliferation, invasion, and migration and the mechanisms remain to be clarified. We showed that SNG concentration- and time-dependently decreased the cell proliferation, viability, and induced a marked increase in cell death in A549 cells. SNG inhibited invasion and migration and induced S phase cell cycle arrest and apoptosis. SNG resulted in a significant increase of E-cadherin expression and a marked decrease of the expression of N-cadherin, Vimentin, Smad2/3, and Snail and the phosphorylation of Smad2. SNG increased Fas-associated factor 1 (FAF1) expression and upregulation of FAF1 inhibited cell proliferation, invasion, and migration and induced cell cycle arrest and apoptosis in NSCLC cells. Knockdown of FAF1 suppressed SNG-induced inhibition of cell proliferation, invasion, and migration and induction of cell cycle arrest and apoptosis in NSCLC cells. SNG also inhibited implanted tumor growth and increased FAF1 expression in tumors in vivo. Our findings highlight FAF1 as a novel therapeutic target and provide a new insight in the potential use of SNG for the inhibition of NSCLC.
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